package com.dsh.gulimall.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.dsh.common.utils.R;
import com.dsh.gulimall.product.entity.SkuImagesEntity;
import com.dsh.gulimall.product.entity.SpuInfoDescEntity;
import com.dsh.gulimall.product.feign.SeckillFeignService;
import com.dsh.gulimall.product.service.*;
import com.dsh.gulimall.product.vo.SeckillSkuVo;
import com.dsh.gulimall.product.vo.SkuItemSaleAttrVo;
import com.dsh.gulimall.product.vo.SkuItemVo;
import com.dsh.gulimall.product.vo.SpuItemAttrGroupVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ThreadPoolExecutor;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.dsh.common.utils.PageUtils;
import com.dsh.common.utils.Query;

import com.dsh.gulimall.product.dao.SkuInfoDao;
import com.dsh.gulimall.product.entity.SkuInfoEntity;
import org.springframework.util.StringUtils;

import javax.annotation.Resource;


@Service("skuInfoService")
public class SkuInfoServiceImpl extends ServiceImpl<SkuInfoDao, SkuInfoEntity> implements SkuInfoService {

    @Autowired
    SkuImagesService imagesService;
    @Autowired
    SpuInfoDescService spuInfoDescService;
    @Autowired
    AttrGroupService attrGroupService;
    @Autowired
    private SkuSaleAttrValueService skuSaleAttrValueService;
    @Autowired
    private SkuImagesService skuImagesService;
    @Autowired
    private SeckillFeignService seckillFeignService;
//    @Resource
//    ThreadPoolExecutor executor;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                new QueryWrapper<SkuInfoEntity>()
        );

        return new PageUtils(page);
    }

    /**
     * 保存
     *
     * @param skuInfoEntity
     */
    @Override
    public void saveSkuInfo(SkuInfoEntity skuInfoEntity) {
        this.baseMapper.insert(skuInfoEntity);
    }

    /**
     * @param params
     * @return
     */
    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        /**
         *
         * key:
         * catelogId: 225
         * brandId: 18
         * min: 0
         * max: 0
         *
         */
        QueryWrapper<SkuInfoEntity> wrapper = new QueryWrapper<>();

        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key) && !"".equalsIgnoreCase(key)) {
            wrapper.and((w) -> {
                w.eq("sku_id", key).or().like("sku_name", key);
            });
        }
        String catelogId = (String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)) {
            wrapper.eq("catelog_id", catelogId);
        }
        String brandId = (String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId)) {
            wrapper.eq("brand_id", brandId);
        }

        String min = (String) params.get("min");
        if (!StringUtils.isEmpty(min)) {
            wrapper.ge("price", min);
        }
        String max = (String) params.get("max");
        if (!StringUtils.isEmpty(max)) {
            try {
                BigDecimal bigDecimal = new BigDecimal(max);
                if (bigDecimal.compareTo(new BigDecimal("0")) == 1) {
                    wrapper.le("price", max);
                }
            } catch (Exception e) {
//                e.getMessage("参数不合法");
            }


        }


        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                wrapper
        );

        return new PageUtils(page);
    }

    /**
     * 根据id查询所有的spu
     *
     * @param spuId
     * @return
     */
    @Override
    public List<SkuInfoEntity> getSkuBySpuId(Long spuId) {

        List<SkuInfoEntity> list = this.list(new QueryWrapper<SkuInfoEntity>().eq("spu_id", spuId));
        return list;
    }

    @Override
    public SkuItemVo item(Long skuId) throws ExecutionException, InterruptedException {
        SkuItemVo skuItemVo = new SkuItemVo();
//
//        CompletableFuture<SkuInfoEntity> infoFuture = CompletableFuture.supplyAsync(() -> {
//            //1、sku基本信息的获取  pms_sku_info
//            SkuInfoEntity info = this.getById(skuId);
//            skuItemVo.setInfo(info);
//            return info;
//        }, executor);
//
//
//        CompletableFuture<Void> saleAttrFuture = infoFuture.thenAcceptAsync((res) -> {
//            //3、获取spu的销售属性组合
//            List<SkuItemSaleAttrVo> saleAttrVos = skuSaleAttrValueService.getSaleAttrBySpuId(res.getSpuId());
//            skuItemVo.setSaleAttr(saleAttrVos);
//        }, executor);
//
//
//        CompletableFuture<Void> descFuture = infoFuture.thenAcceptAsync((res) -> {
//            //4、获取spu的介绍    pms_spu_info_desc
//            SpuInfoDescEntity spuInfoDescEntity = spuInfoDescService.getById(res.getSpuId());
//            skuItemVo.setDesc(spuInfoDescEntity);
//        }, executor);
//
//
//        CompletableFuture<Void> baseAttrFuture = infoFuture.thenAcceptAsync((res) -> {
//            //5、获取spu的规格参数信息
//            List<SpuItemAttrGroupVo> attrGroupVos = attrGroupService.getAttrGroupWithAttrsBySpuId(res.getSpuId(), res.getCatelogId());
//            skuItemVo.setGroupAttrs(attrGroupVos);
//        }, executor);
//
//
//        // Long spuId = info.getSpuId();
//        // Long catalogId = info.getCatalogId();
//
//        //2、sku的图片信息    pms_sku_images
//        CompletableFuture<Void> imageFuture = CompletableFuture.runAsync(() -> {
//            List<SkuImagesEntity> imagesEntities = skuImagesService.getImagesBySkuId(skuId);
//            skuItemVo.setImages(imagesEntities);
//        }, executor);

       /* CompletableFuture<Void> seckillFuture = CompletableFuture.runAsync(() -> {
            //3、远程调用查询当前sku是否参与秒杀优惠活动
            R skuSeckilInfo = seckillFeignService.getSkuSeckilInfo(skuId);
            if (skuSeckilInfo.getCode() == 0) {
                //查询成功
                SeckillSkuVo seckilInfoData = skuSeckilInfo.getData("data", new TypeReference<SeckillSkuVo>() {
                });
                skuItemVo.setSeckillSkuVo(seckilInfoData);

                if (seckilInfoData != null) {
                    long currentTime = System.currentTimeMillis();
                    if (currentTime > seckilInfoData.getEndTime()) {
                        skuItemVo.setSeckillSkuVo(null);
                    }
                }
            }
        }, executor);


        */

        //等到所有任务都完成
        // CompletableFuture.allOf(saleAttrFuture, descFuture, baseAttrFuture, imageFuture, seckillFuture).get();
//        CompletableFuture.allOf(saleAttrFuture, descFuture, baseAttrFuture, imageFuture).get();
//
//        return skuItemVo;
        return null;

    }
}
